If you still think the fight between TradFi and crypto is about vibes, logos, or memes, you're missing the things that matter, in particular things like distribution. When an asset becomes a regulated product on a mainstream shelf, the shelf starts rewriting the asset’s reality. That's exactly what's starting to happen to crypto, for better and for worse.
One key date is the SEC’s spot Bitcoin ETP approval in January 2024, which marks the moment crypto exposure stopped being a niche behavior, and started being a standard portfolio allocation for most investors. Today, asset tokenization is also moving from pilots to brand-name launches, including BlackRock’s tokenized BUIDL fund on Ethereum. Neither of these assets are the cryptopunk networks of yesteryear anymore.
TradFi can still “adopt” crypto in ways that expand liquidity while also concentrating custody and governance, which, from the perspective of those who have been in the crypto space for a long time, is doubtlessly a major risk. Furthermore, the issue of addressing quantum computing risk to blockchains is the perfect justification for that concentration, because quantum upgrades are a rare event where everyone agrees something must change, even if they disagree on who gets to steer.
If there's one thing the capital behind TradFi likes to do, it's steering, so let's take a look at how this topic is evolving and what it means for investors.
Wall Street is buying crypto because it's buying financial control surfaces
Today, TradFi and crypto look like rivals in public, but behave like collaborators in private.
The shared goal is asset growth. The contested goal is where that growth happens.
When you hold keys, you own the operational risk. When you hold a financial product or use a financial service to manage your capital, you outsource that operational risk — be it to asset issuers, asset managers, custodians, and market makers, etc — and you're thus forced to accept the associated constraints, both technical and governance. Put differently, if your custodian makes the wrong security choice, you might not necessarily know it until there's a breach.
So what exactly are the control surfaces that expand as crypto adoption deepens? In short:

At this juncture, trying to claim total sovereignty over your cryptoassets is not something that's even universally desirable anymore, but optionality still is. Here's what that means in the context of the upcoming choices you'll need to make about your holdings during the transition to post-quantum computing security.
Quantum security will soon become a critical bargaining chip
Quantum computing and quantum security is a technical domain, and for crypto, it's also a negotiation domain, because the standards define what “safe” means for assets, and in turn, “safe” defines what qualifies for distribution on major exchanges, and for holding by regulated financial businesses.
On that front, NIST’s 2016 post-quantum report lays out that public-key cryptography should migrate before it becomes urgent, because the transition itself is likely to be slow. NIST then finalized FIPS 203 ML-KEM in 2024. On the national-security side, NSA’s CNSA 2.0 guidance sets explicit transition expectations for systems that cannot afford surprises, which is an implicit nod to the needs of the traditional financial sector through its dependence on software vendors and security auditors.
Crypto’s reputational weakness at this moment makes the centralization pitch easier than ever for those financial players to make. Chainalysis reported $2.2 billion stolen from crypto platforms in 2024, and most audiences do not distinguish between centralized key failures and protocol cryptography, despite how different those two issues are.
This is a key point, as the traditional financial industry now holds a sizable minority position in cryptos like Bitcoin and Ethereum, which means that they have a vested interest in making sure that those assets employ the best security practices possible, even if they do not currently have direct governance control.
Therefore, it is very likely that “quantum” will be used as a scare story to justify custody concentration even in cases where concentration does not fix the real failure mode, which is often governance discipline and key management. Put differently, the big banks are probably going to try to have a big say in how cryptocurrencies adapt to the quantum threat.
Tokenization is going to be the bridge, and the tollbooth
The battle is not only about BTC and ETH. Stablecoins and tokenized real-world assets (RWAs) could one day dominate transaction volume if tokenization scales and TradFi players continue to onboard assets for management on-chain.
In a nutshell, tokenization platforms want crypto-style settlement and efficiency, but they also want permissioning that reduces legal and compliance risk. Quantum computing and quantum security then becomes the final rationale for tightening the perimeter, likely via statements such as “we here at the big bank cannot allow for uncontrolled key management while upgrading cryptography, as it would put too many of our on-chain assets under management at risk.”
The trouble for those who prefer TradFi to stay in their lane is that this argument is actually quite persuasive. So what does a crypto project do if it wants the upside of integration without the slow-motion loss of autonomy?
The play is to build quantum readiness as an element of product quality rather than something more along the lines of emergency compliance because the ship will sink otherwise. That means publishing quantum computing security measures that are credible, staged, and testable, preferably well before anyone in TradFi can frame the project's security policies as being reckless.
Doing that will doubtlessly introduce engineering risk, but it will also change negotiation dynamics in favor of the chain maintaining independence. Adapting to quantum risk early makes it harder for the gatekeepers of the near future to claim that only centralized custody can keep users and their capital safe.
Trust one thing; this work will get done, either by the crypto community or by TradFi. If it ends up being the latter, similarly trust that TradFi will do the work in the only way it knows. Integration remains a major opportunity for those who can seize the moment. It stops being an opportunity, however, the moment the upgrade playbook becomes someone else’s property. That is something that Bitcoin and Ethereum (among other major cryptocurrencies) are currently in deep danger of.
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Sources
Statement on the Approval of Spot Bitcoin Exchange-Traded Products
BlackRock Launches Its First Tokenized Fund, BUIDL, on the Ethereum Network
US SEC approves exchange applications to list spot ether ETFs
Module-Lattice-Based Key-Encapsulation Mechanism Standard (FIPS 203)
Press release: final disclosure framework for banks’ cryptoasset exposures
BNY and Goldman Sachs Launch Tokenized Money Market Funds Solution
SEC Approves Generic Listing Standards for Commodity-Based Trust Shares
Goldman Sachs, BNY Mellon Step into Tokenized Money Market Funds
Financial stability implications of tokenisation (FSI summary)
Module-Lattice-Based Key-Encapsulation Mechanism Standard (FIPS 203) PDF

